Borla XR-1 Racing Sportsman 3 inch Outlet / 3 inch Inlet Oval Muffler 2017-gmc-sierra-3500-hd-base-esi5467229 A black chrome on T-304

A black chrome on T-304 stainless steel tip is also available

Using BORLA(r) Stainless Steel Polish p# 21499 is System will fit Bullitt models

This system features the classic S-Type sound with no drone inside the vehicle and 4" carbon fiber tips

or Black Chrome on T-304 stainless steel tips The system is constructed using T-304 stainless steel and is backed by our Million Mile Warranty

tip finishes

Borla XR-1 Racing Sportsman 3 inch Outlet / 3 inch Inlet Oval Muffler 2017-gmc-sierra-3500-hd-base-esi5467229 A black chrome on T-304High quality austenitic stainless steel. Patented, race winning XR 1 Raceline technology. 3 options: Offset Made with the same patented, flow through design as the XR 1 Sportsman oval. The inlet outlet are offset to the same side of the muffler, to accommodate transmission and frame rail interference on some applications Oval BORLAs #1 selling racing muffler. Satisfies the needs of most racing applications because it is the lightest, most compact, and